REASSEMBLY CAUTION / NOTICE / HINT HINT:
PROCEDURE 1. INSTALL FOG LIGHT BULB 
(a) Turn the fog light bulb in the direction indicated by the arrow in the illustration to install it to the fog light assembly LH. |
Toyota Tundra Service Manual > Sfi System: Thermostat (P0128)
DESCRIPTION This DTC is stored when the Engine Coolant Temperature (ECT) does not reach 75°C (167°F) despite sufficient engine warm-up time having elapsed. DTC No. DTC Detection Condition Trouble Area P0128 Conditions (a), (b) and (c) met for 5 seconds (2 trip detection logic): (a) Cold start (b) ...
